package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.annotations.Delete;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.CachePut;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags = "菜品相关接口")
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping
    @ApiOperation("新增菜品")
    @CacheEvict(cacheNames = "dishCache",key = "#dishDTO.categoryId") //最终存的key为 dishCache::key
    public Result insert(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}",dishDTO);
        dishService.insert(dishDTO);

//        cleanCache("dish_"+dishDTO.getCategoryId());

        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询：{}",dishPageQueryDTO);
        PageResult pageResult=dishService.pageQuery(dishPageQueryDTO);

        return Result.success(pageResult);
    }

    @DeleteMapping
    @ApiOperation("删除菜品")
    @CacheEvict(cacheNames = "dishCache",allEntries = true)
    public Result delete(@RequestParam List<Long> ids){
        log.info("批量删除菜品：{}",ids);
        dishService.delete(ids);

//        cleanCache("dish_*");

        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据id查询单个菜品")
    public Result<DishVO> select(@PathVariable Long id){
        log.info("查询菜品：{}",id);
        DishVO dishVO=dishService.select(id);

        return Result.success(dishVO);
    }

    @PutMapping
    @ApiOperation("修改菜品")
    @CacheEvict(cacheNames = "dishCache",allEntries = true)
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品：{}",dishDTO);
        dishService.update(dishDTO);

//        cleanCache("dish_*");

        return Result.success();
    }

    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        log.info("根据分类id查询菜品:{}",categoryId);
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    //清理缓存
    private void cleanCache(String pattern){
        Set keys=redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
